A good teacher protects his pupils from his own influence.
I have no desire to make windows into mens souls
Gravity is only the bark of wisdom's tree; but it preserves it
What you're thinking is what you're becoming.
Don't criticize what you don't understand, son. You never walked in that man's shoes.
A house is not a home unless it contains food and fire for the mind as well as the body.
Do not reveal what you have thought upon doing, but by wise council keep it secret being determined to carry it into execution.
The ultimate authority must always rest with the individual's own reason and critical analysis.
The heart has its reasons which reason knows not.
Men are not prisoners of fate, but only prisoners of their own minds.
Doubt is the origin of wisdom
Be frank and explicit. That is the right line to take when you wish to conceal your own mind and to confuse the minds of others.
Time flies over us, but leaves its shadow behind.
Peace is not an absence of war, it is a virtue, a state of mind, a disposition for benevolence, confidence, justice.
Power always thinks it has a great soul and vast views beyond the comprehension of the weak.
Men become wise just as they become rich, more by what they save than by what they receive.
Work is the price which is paid for reputation.
If you would take, you must first give, this is the beginning of intelligence.
Boredom is the root of all evil - the despairing refusal to be oneself.
Above all be of single aim; have a legitimate and useful purpose, and devote yourself unreservedly to it.
Empty your cup so that it may be filled; become devoid to gain totality.